The number of different outfits of a blouse and skirt can she wear is 20 outfit.
Using this formula
Number of different outfit=Number of blouses× Number of skirt
Where:
Number of blouses=4
Number of skirt=5
Let plug in the formula
Number of different outfit=4×5
Number of different outfit=20 outfit
Inconclusion the number of different outfits of a blouse and skirt can she wear is 20 outfit.
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